Cybersecurity researchers reported details Monday of cases where pro-democracy activists in Thailand had cell phones and other devices infected with government-sponsored spyware.

Scientists have discovered the world's largest bacterium.

The European Space Agency released a trove of data Monday on almost 2 billion stars in the Milky Way.

NASA is launching a study of UFOs as part of a new push toward high-risk, high-impact science.

China on Sunday launched a new three-person mission to complete assembly work on its permanent orbiting space station.

Taser developer Axon said this week it is working to build drones armed with the electric stunning weapons that could fly in schools and “help prevent the next Uvalde, Sandy Hook, or Columbine.” But its own technology advisers quickly panned the idea as a dangerous fantasy.

Scientists have discovered the world's largest plant off the Australia coast.

Batten down the hatches for another nasty hurricane season.

Something weird is up with La Nina.

Boeing’s crew taxi returned to Earth from the International Space Station on Wednesday.